Question

Given the function f(x) = 3x - 21 +6, for what values of x is f(x) = 18?

Answer 1

C

Explanation:

3|x-2|=18-6

3|x-2|=12

|x-2|=4

Ther are two options.

First;

x-2=-4

x=-2

Second;

x-2=4

x=6

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